It is capable of removing the unwanted scales from your washing machine in order to give it more life. Scalegone also helps you to keep your clothes clean and results in reduction of electric bills. It helps Keeping your washing machine as good as new from the inside! Simply run a dummy cycle with Scalegone added to water and Scalegone will remove any scale that may have formed, improving performance and leaving a nice fresh fragrance as well! How it works? One packet of Scalegone added to the water for a dummy cycle run, this helps remove any scales that might have formed. There is a subtle fragrance after a dummy cycle with Scalegone is run Should be once a month.